Machinery's Handbook, 31st Edition
1240
STOCK FOR SCREW MACHINE PRODUCTS Table 3. Stock Required for Screw Machine Products
The table gives the amount of stock, in feet, required for 1000 pieces, when the length of the finished part plus the thickness of the cut-off tool blade is known. Allowance has been made for chucking. To illustrate, if length of cut-off tool and work equals 0.140 inch, 11.8 feet of stock is required for the production of 1000 parts.
Length of Piece and Cut-Off Tool
Feet per 1000 Parts
Length of Piece and Cut-Off Tool
Feet per 1000 Parts 36.1 37.0 37.8 38.7 39.5 40.3 41.2 42.0 42.9 43.7 44.5 45.4 46.2 47.1 47.9 48.7 49.6 50.4 51.3 52.1 52.9 53.8 54.6 55.5 56.3 57.1 58.0 58.8 59.7 60.5 61.3 62.2 63.0 63.9 64.7 65.5 66.4 67.2
Length of Piece and Cut-Off Tool
Feet per 1000 Parts 68.1 68.9 69.7 70.6 71.4 72.3 73.1 73.9 74.8 75.6 76.5 77.3 78.2 79.0 79.8 80.7 81.5 82.4 83.2 84.0 85.7 87.4 89.1 90.8 92.4 94.1 95.8 97.5 99.2
Length of Piece and Cut-Off Tool
Feet per 1000 Parts 116.0 117.6 119.3 121.0 122.7 124.4 126.1 127.7 129.4 131.1 132.8 134.5 136.1 137.8 139.5 141.2 142.9 144.5 146.2 147.9 149.6 151.3 152.9 154.6 156.3 158.0 159.7 161.3 163.0 164.7 166.4 168.1 176.5 184.9 193.3 201.7 210.1 218.5
0.050 0.060 0.070 0.080 0.090 0.100 0.110 0.120 0.130 0.140 0.150 0.160 0.170 0.180 0.190 0.200 0.210 0.220 0.230 0.240 0.250 0.260 0.270 0.280 0.290 0.300 0.310 0.320 0.330 0.340 0.350 0.360 0.370 0.380 0.390 0.400 0.410 0.420
4.2 5.0 5.9 6.7 7.6 8.4 9.2
0.430 0.440 0.450 0.460 0.470 0.480 0.490 0.500 0.510 0.520 0.530 0.540 0.550 0.560 0.570 0.580 0.590 0.600 0.610 0.620 0.630 0.640 0.650 0.660 0.670 0.680 0.690 0.700 0.710 0.720 0.730 0.740 0.750 0.760 0.770 0.780 0.790 0.800
0.810 0.820 0.830 0.840 0.850 0.860 0.870 0.880 0.890 0.900 0.910 0.920 0.930 0.940 0.950 0.960 0.970 0.980 0.990 1.000 1.020 1.040 1.060 1.080 1.100 1.120 1.140 1.160 1.180
1.380 1.400 1.420 1.440 1.460 1.480 1.500 1.520 1.540 1.560 1.580 1.600 1.620 1.640 1.660 1.680 1.700 1.720 1.740 1.760 1.780 1.800 1.820 1.840 1.860 1.880 1.900 1.920 1.940 1.960 1.980 2.000 2.100 2.200 2.300 2.400 2.500 2.600
10.1 10.9 11.8 12.6 13.4 14.3 15.1 16.0 16.8 17.6 18.5 19.3 20.2 21.0 21.8 22.7 23.5 24.4 25.2 26.1 26.9 27.7 28.6 29.4 30.3 31.1 31.9 32.8 33.6 34.5 35.3
1.200 100.8 1.220 102.5 1.240 104.2 1.260 105.9 1.280 107.6 1.300 109.2
1.320 1.340 1.360
110.9 112.6 114.3
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